21186444

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 53271680

約数和(自身を除く): 32085236

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2161, 2451, 3268, 4322, 4902, 6483, 8644, 9804, 12966, 25932, 41059, 82118, 92923, 123177, 164236, 185846, 246354, 278769, 371692, 492708, 557538, 1115076, 1765537, 3531074, 5296611, 7062148, 10593222, 21186444]

約数ペア:

[(1, 21186444), (2, 10593222), (3, 7062148), (4, 5296611), (6, 3531074), (12, 1765537), (19, 1115076), (38, 557538), (43, 492708), (57, 371692), (76, 278769), (86, 246354), (114, 185846), (129, 164236), (172, 123177), (228, 92923), (258, 82118), (516, 41059), (817, 25932), (1634, 12966), (2161, 9804), (2451, 8644), (3268, 6483), (4322, 4902)]